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<head>
    <meta charset="UTF-8">
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    <title>Document</title>
</head>

<body>
    <button class="btn1">发送多个axios请求</button>
    <button class="btn2">发送延迟请求</button>
    <button class="btn3">取消axios请求</button>
    <script>
        let btn1 = document.querySelector(".btn1");
        let btn2 = document.querySelector(".btn2");
        let btn3 = document.querySelector(".btn3");

        btn1.onclick = function () {

        }
        btn2.onclick = function () {

        }
        btn3.onclick = function () {

        }
    </script>
</body>

</html>